I noticed a problem with my hydrogen production on my ship. My setup was an antimatter reactor that used 2880 u/m hydrogen, and an antimatter creator that used 2250 u/s of hydrogen. That meant a total usage of 2298 u/s of hydrogen.
Now, I wired up my water splitter to create a total of 2500 u/s hydrogen. That means a total surplus of 202 u/s hydrogen. But, instead of a surplus of 202 u/s, the total amount of hydrogen in my tanks hovered around 1%, very rarely going up to 2% before being promptly used up. So I made some experiments. First I measured the amount of time it would take for a water splitter to fill a resource tank with oxygen and hydrogen respectively, and compared them to how long it would take theoreticly. I got these results:

Now it is worth mentioning that the experiments were on a small scale, so I would like to recreate the tests at a bigger scale.

After getting these results I tried to experiment with my afformentioned ship problem. I cranked up my water splitter to create a whopping 4500 u/s of hydrogen, and 2250 u/s oxygen. Theoreticly creating a 2202 u/s hydrogen surplus. I allowed it to fill up my tanks with no other reactors/producers interfering. After filling up my tanks with hydrogen, I turned on my antimatter creator and the antimatter reactor and observed my (single) hydrogen resource tank to go from 100% to 90% in one minute. In this case it would mean a loss of about 10 000 u of hydrogen in 1 minute. That means that instead of getting the 2202 u/s hydrogen surplus I WAS PROMISED... I got a 166 u/s hydrogen deficit. The only way this would make sense is if the oxygen production and hydrogen production were switched somehow. But I don't think thats the case, since my earlier experiment did not indicate that.

It's impossible to run graviton reactors on any of the coolants except maybe anubium. The antihydrogen outputs are also significantly low, it makes 150 antihydrogen per 30, where an auxiliary antimatter reactor uses 1800 antihydrogen per 60, and therefore 900 per 30. meaning 12 cycles of the graviton for one cycle of an antimatter reactor. So 6 minutes of waiting around for one minute of antimatter power, which seems a tad excessive.